Flag for helmet



FIG. 1 is a right side elevation of my new flag for a helmet shown in a position of use;

FIG. 2 is a left side elevation;

FIG. 3 is a rear elevation;

FIG. 4 is a front elevation;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view.

The broken lines in the drawing represent unclaimed environmental subject matter. 

The ornamental design for a flag for a helmet, as shown and described. 